| Sport: | basketball |
| Sex: | none |
| Prev Year: | 2022–23 |
| Year: | 2023–24 |
| Next Year: | 2024–25 |
| Team: | Stephen F. Austin Lumberjacks |
| Conference: | Western Athletic Conference |
| Short Conf: | WAC |
| Record: | 18–15 |
| Conf Record: | 10–10 |
| Head Coach: | Kyle Keller |
| Hc Year: | 8th |
| Assoc Coach: | Tony Jasick |
| Asst Coach1: | Jean Prioleau |
| Asst Coach2: | Dallas Cameron |
| Arena: | William R. Johnson Coliseum (Capacity: 7,203) |
The 2023–24 Stephen F. Austin Lumberjacks basketball team represented Stephen F. Austin State University during the 2023–24 NCAA Division I men's basketball season. The Lumberjacks, led by eighth-year head coach Kyle Keller, played their home games at the William R. Johnson Coliseum in Nacogdoches, Texas as members of the Western Athletic Conference. They finished the season 18–15, 10–10 in WAC play to finish in a tie for sixth place. As the No. 6 seed in the WAC Tournament, they defeated Abilene Christian in the first round, before losing to UT Arlington in the quarterfinals.
The Lumberjacks finished the 2022–23 season 19–13, 11–7 in WAC play to finish in a three-way tie for fourth place. In the first round of the WAC Tournament, they were upset by Utah Tech in overtime.[1]
|-!colspan=12 style=| Regular season|-!colspan=9 style=| WAC tournament|-Source:[2] [3]